libgomp/testsuite/libgomp.c/pr34513.c

   1 /* PR c++/34513 */
   2 /* { dg-do run } */
   3
   4 #include <omp.h>
   5
   6 extern void abort ();
   7
   8 static int errors = 0;
   9 static int thrs = 4;
  10
  11 int
  12 main ()
  13 {
  14   omp_set_dynamic (0);
  15
  16   #pragma omp parallel num_threads (thrs)
  17   {
  18     static int shrd = 0;
  19
  20     #pragma omp atomic
  21       shrd += 1;
  22
  23     #pragma omp barrier
  24
  25     if (shrd != thrs)
  26       #pragma omp atomic
  27         errors += 1;
  28   }
  29
  30   if (errors)
  31     abort ();
  32   return 0;
  33 }